Why is this only listed as a "new work" box?
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Old work boxes are for interior walls where the box is configured to grip the back side of the drywall instead of attaching to a stud.
Was this Answer Helpful ?Old work refers to the outlet boxes that are already attached to studs and then covered with sheet rock and therefore are inside an existing wall. This round box is intended to be used on the exterior surface of a wall or ceiling.
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